Use the Tripod catalog to look for relevant books owned by Haverford, Bryn Mawr, and Swarthmore.
The following subject searches are a sampling of possibilities. To find materials on a topic, try doing a keyword search in the Tripod Catalog to find some relevant material and then use the subject headings assigned to those titles to find more books.
ecology (greece OR rome) [Keyword search]
landscape* rome [Subject search]
virgil bucolica [Subject search]
Use WorldCat to find books not held by the tri-college libraries.